annotate src/plugins/plugin_xep_0047.py @ 2444:30278ea1ca7c

plugin XEP-0060: added node watching methods to bridge: new methods psNodeWatchAdd and psNodeWatchRemove allows to set a watch for the time of the session on one node, to have a signal called when something change on this node. This signal (psEventRaw) send raw data (raw XML), in opposition to psEvent which is there to send high level data (e.g. parsed blog data). Those method are primarely there to let frontends manage local cache for pubsub nodes.
author Goffi <goffi@goffi.org>
date Sun, 19 Nov 2017 16:51:39 +0100
parents 8b37a62336c3
children 0046283a285d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1934
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1 #!/usr/bin/env python2
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT plugin for managing gateways (xep-0047)
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5 # Copyright (C) 2009-2017 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 from sat.core.i18n import _
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21 from sat.core.log import getLogger
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22 log = getLogger(__name__)
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23 from sat.core.constants import Const as C
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24 from sat.core import exceptions
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25 from twisted.words.protocols.jabber import jid
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26 from twisted.words.protocols.jabber import xmlstream
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27 from twisted.words.protocols.jabber import error
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28 from twisted.internet import reactor
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29 from twisted.internet import defer
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30 from twisted.python import failure
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32 from wokkel import disco, iwokkel
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34 from zope.interface import implements
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36 import base64
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37
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38 try:
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39 from twisted.words.protocols.xmlstream import XMPPHandler
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40 except ImportError:
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41 from wokkel.subprotocols import XMPPHandler
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42
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43 MESSAGE = '/message'
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44 IQ_SET = '/iq[@type="set"]'
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45 NS_IBB = 'http://jabber.org/protocol/ibb'
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46 IBB_OPEN = IQ_SET + '/open[@xmlns="' + NS_IBB + '"]'
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47 IBB_CLOSE = IQ_SET + '/close[@xmlns="' + NS_IBB + '" and @sid="{}"]'
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48 IBB_IQ_DATA = IQ_SET + '/data[@xmlns="' + NS_IBB + '" and @sid="{}"]'
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49 IBB_MESSAGE_DATA = MESSAGE + '/data[@xmlns="' + NS_IBB + '" and @sid="{}"]'
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50 TIMEOUT = 120 # timeout for workflow
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51 DEFER_KEY = 'finished' # key of the deferred used to track session end
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52
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53 PLUGIN_INFO = {
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54 C.PI_NAME: "In-Band Bytestream Plugin",
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55 C.PI_IMPORT_NAME: "XEP-0047",
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56 C.PI_TYPE: "XEP",
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57 C.PI_PROTOCOLS: ["XEP-0047"],
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58 C.PI_MAIN: "XEP_0047",
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59 C.PI_HANDLER: "yes",
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60 C.PI_DESCRIPTION: _("""Implementation of In-Band Bytestreams""")
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61 }
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62
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63
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64 class XEP_0047(object):
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65 NAMESPACE = NS_IBB
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66 BLOCK_SIZE = 4096
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67
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68 def __init__(self, host):
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69 log.info(_("In-Band Bytestreams plugin initialization"))
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70 self.host = host
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71
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72 def getHandler(self, client):
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73 return XEP_0047_handler(self)
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74
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75 def profileConnected(self, client):
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76 client.xep_0047_current_stream = {} # key: stream_id, value: data(dict)
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77
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78 def _timeOut(self, sid, client):
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79 """Delete current_stream id, called after timeout
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80
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81 @param sid(unicode): session id of client.xep_0047_current_stream
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82 @param client: %(doc_client)s
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83 """
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84 log.info(u"In-Band Bytestream: TimeOut reached for id {sid} [{profile}]"
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85 .format(sid=sid, profile=client.profile))
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86 self._killSession(sid, client, "TIMEOUT")
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87
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88 def _killSession(self, sid, client, failure_reason=None):
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89 """Delete a current_stream id, clean up associated observers
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90
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91 @param sid(unicode): session id
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92 @param client: %(doc_client)s
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93 @param failure_reason(None, unicode): if None the session is successful
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94 else, will be used to call failure_cb
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95 """
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96 try:
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97 session = client.xep_0047_current_stream[sid]
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98 except KeyError:
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99 log.warning(u"kill id called on a non existant id")
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100 return
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101
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102 try:
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103 observer_cb = session['observer_cb']
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104 except KeyError:
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105 pass
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106 else:
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107 client.xmlstream.removeObserver(session["event_data"], observer_cb)
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108
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109 if session['timer'].active():
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110 session['timer'].cancel()
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111
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112 del client.xep_0047_current_stream[sid]
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113
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114 success = failure_reason is None
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115 stream_d = session[DEFER_KEY]
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116
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117 if success:
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118 stream_d.callback(None)
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119 else:
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120 stream_d.errback(failure.Failure(exceptions.DataError(failure_reason)))
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121
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122 def createSession(self, *args, **kwargs):
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Goffi <goffi@goffi.org>
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123 """like [_createSession] but return the session deferred instead of the whole session
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124
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diff changeset
125 session deferred is fired when transfer is finished
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
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126 """
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
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127 return self._createSession(*args, **kwargs)[DEFER_KEY]
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Goffi <goffi@goffi.org>
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128
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
129 def _createSession(self, file_obj, to_jid, sid, profile):
384
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parents:
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130 """Called when a bytestream is imminent
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131
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132 @param file_obj(file): File object where data will be written
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Goffi <goffi@goffi.org>
parents: 1409
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133 @param to_jid(jid.JId): jid of the other peer
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parents: 1409
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134 @param sid(unicode): session id
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Goffi <goffi@goffi.org>
parents: 1409
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135 @param profile: %(doc_profile)s
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
136 @return (dict): session data
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
137 """
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138 client = self.host.getClient(profile)
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139 if sid in client.xep_0047_current_stream:
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
140 raise exceptions.ConflictError(u'A session with this id already exists !')
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
141 session_data = client.xep_0047_current_stream[sid] = \
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
142 {'id': sid,
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
143 DEFER_KEY: defer.Deferred(),
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
144 'to': to_jid,
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
145 'file_obj': file_obj,
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parents: 1409
diff changeset
146 'seq': -1,
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
147 'timer': reactor.callLater(TIMEOUT, self._timeOut, sid, client),
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148 }
384
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149
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150 return session_data
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151
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
152 def _onIBBOpen(self, iq_elt, profile):
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parents: 1409
diff changeset
153 """"Called when an IBB <open> element is received
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154
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diff changeset
155 @param iq_elt(domish.Element): the whole <iq> stanza
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156 @param profile: %(doc_profile)s
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Goffi <goffi@goffi.org>
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157 """
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parents: 1409
diff changeset
158 log.debug(_(u"IBB stream opening"))
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parents: 1409
diff changeset
159 iq_elt.handled = True
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parents: 536
diff changeset
160 client = self.host.getClient(profile)
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161 open_elt = iq_elt.elements(NS_IBB, 'open').next()
384
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parents:
diff changeset
162 block_size = open_elt.getAttribute('block-size')
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parents:
diff changeset
163 sid = open_elt.getAttribute('sid')
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Goffi <goffi@goffi.org>
parents:
diff changeset
164 stanza = open_elt.getAttribute('stanza', 'iq')
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e629371a28d3 Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
165 if not sid or not block_size or int(block_size) > 65535:
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166 return self._sendError('not-acceptable', sid or None, iq_elt, client)
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Goffi <goffi@goffi.org>
parents: 536
diff changeset
167 if not sid in client.xep_0047_current_stream:
1409
3265a2639182 massive (preventive) addition of 'u' (unicode) before the strings passed to logging functions
souliane <souliane@mailoo.org>
parents: 1396
diff changeset
168 log.warning(_(u"Ignoring unexpected IBB transfer: %s" % sid))
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
169 return self._sendError('not-acceptable', sid or None, iq_elt, client)
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
170 session_data = client.xep_0047_current_stream[sid]
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
171 if session_data["to"] != jid.JID(iq_elt['from']):
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parents: 941
diff changeset
172 log.warning(_("sended jid inconsistency (man in the middle attack attempt ?)"))
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parents: 1409
diff changeset
173 return self._sendError('not-acceptable', sid, iq_elt, client)
384
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parents:
diff changeset
174
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diff changeset
175 # at this stage, the session looks ok and will be accepted
384
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176
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177 # we reset the timeout:
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178 session_data["timer"].reset(TIMEOUT)
384
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179
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diff changeset
180 # we save the xmlstream, events and observer data to allow observer removal
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parents: 1409
diff changeset
181 session_data["event_data"] = event_data = (IBB_MESSAGE_DATA if stanza == 'message' else IBB_IQ_DATA).format(sid)
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
182 session_data["observer_cb"] = observer_cb = self._onIBBData
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
183 event_close = IBB_CLOSE.format(sid)
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
184 # we now set the stream observer to look after data packet
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
185 # FIXME: if we never get the events, the observers stay.
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parents: 1409
diff changeset
186 # would be better to have generic observer and check id once triggered
594
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
187 client.xmlstream.addObserver(event_data, observer_cb, profile=profile)
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diff changeset
188 client.xmlstream.addOnetimeObserver(event_close, self._onIBBClose, profile=profile)
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diff changeset
189 # finally, we send the accept stanza
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parents: 1409
diff changeset
190 iq_result_elt = xmlstream.toResponse(iq_elt, 'result')
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Goffi <goffi@goffi.org>
parents: 1934
diff changeset
191 client.send(iq_result_elt)
384
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192
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193 def _onIBBClose(self, iq_elt, profile):
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diff changeset
194 """"Called when an IBB <close> element is received
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Goffi <goffi@goffi.org>
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diff changeset
195
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diff changeset
196 @param iq_elt(domish.Element): the whole <iq> stanza
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diff changeset
197 @param profile: %(doc_profile)s
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diff changeset
198 """
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diff changeset
199 iq_elt.handled = True
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Goffi <goffi@goffi.org>
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diff changeset
200 client = self.host.getClient(profile)
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Goffi <goffi@goffi.org>
parents: 941
diff changeset
201 log.debug(_("IBB stream closing"))
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diff changeset
202 close_elt = iq_elt.elements(NS_IBB, 'close').next()
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
203 # XXX: this observer is only triggered on valid sid, so we don't need to check it
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parents: 1409
diff changeset
204 sid = close_elt['sid']
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diff changeset
205
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diff changeset
206 iq_result_elt = xmlstream.toResponse(iq_elt, 'result')
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Goffi <goffi@goffi.org>
parents: 1934
diff changeset
207 client.send(iq_result_elt)
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diff changeset
208 self._killSession(sid, client)
384
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parents:
diff changeset
209
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diff changeset
210 def _onIBBData(self, element, profile):
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diff changeset
211 """Observer called on <iq> or <message> stanzas with data element
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parents: 1409
diff changeset
212
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diff changeset
213 Manage the data elelement (check validity and write to the file_obj)
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diff changeset
214 @param element(domish.Element): <iq> or <message> stanza
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diff changeset
215 @param profile: %(doc_profile)s
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Goffi <goffi@goffi.org>
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diff changeset
216 """
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
217 element.handled = True
538
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diff changeset
218 client = self.host.getClient(profile)
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diff changeset
219 data_elt = element.elements(NS_IBB, 'data').next()
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
220 sid = data_elt['sid']
384
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parents:
diff changeset
221
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Goffi <goffi@goffi.org>
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diff changeset
222 try:
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
223 session_data = client.xep_0047_current_stream[sid]
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
224 except KeyError:
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
225 log.warning(_(u"Received data for an unknown session id"))
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
226 return self._sendError('item-not-found', None, element, client)
384
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parents:
diff changeset
227
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Goffi <goffi@goffi.org>
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diff changeset
228 from_jid = session_data["to"]
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
229 file_obj = session_data["file_obj"]
384
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parents:
diff changeset
230
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parents: 1409
diff changeset
231 if from_jid.full() != element['from']:
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
232 log.warning(_(u"sended jid inconsistency (man in the middle attack attempt ?)\ninitial={initial}\ngiven={given}").format(initial=from_jid, given=element['from']))
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
233 if element.name == 'iq':
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
234 self._sendError('not-acceptable', sid, element, client)
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
235 return
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
236
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
237 session_data["seq"] = (session_data["seq"] + 1) % 65535
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
238 if int(data_elt.getAttribute("seq", -1)) != session_data["seq"]:
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
239 log.warning(_(u"Sequence error"))
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
240 if element.name == 'iq':
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
241 reason = 'not-acceptable'
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
242 self._sendError(reason, sid, element, client)
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
243 self.terminateStream(session_data, client, reason)
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
244 return
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
245
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parents: 1409
diff changeset
246 # we reset the timeout:
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
247 session_data["timer"].reset(TIMEOUT)
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
248
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
249 # we can now decode the data
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
250 try:
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
251 file_obj.write(base64.b64decode(str(data_elt)))
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
252 except TypeError:
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
253 # The base64 data is invalid
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
254 log.warning(_(u"Invalid base64 data"))
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
255 if element.name == 'iq':
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
256 self._sendError('not-acceptable', sid, element, client)
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
257 self.terminateStream(session_data, client, reason)
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
258 return
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
259
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
260 # we can now ack success
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
261 if element.name == 'iq':
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
262 iq_result_elt = xmlstream.toResponse(element, 'result')
2129
6a66c8c5a567 core: replaced calls to client.xmlstream.send by client.send which is the right method to use. client.xmlstream should not be used directly
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
263 client.send(iq_result_elt)
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
264
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
265 def _sendError(self, error_condition, sid, iq_elt, client):
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
266 """Send error stanza
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
267
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Goffi <goffi@goffi.org>
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diff changeset
268 @param error_condition: one of twisted.words.protocols.jabber.error.STANZA_CONDITIONS keys
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
269 @param sid(unicode,None): jingle session id, or None, if session must not be destroyed
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
270 @param iq_elt(domish.Element): full <iq> stanza
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
271 @param client: %(doc_client)s
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
272 """
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
273 iq_elt = error.StanzaError(error_condition).toResponse(iq_elt)
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
274 log.warning(u"Error while managing in-band bytestream session, cancelling: {}".format(error_condition))
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
275 if sid is not None:
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
276 self._killSession(sid, client, error_condition)
2129
6a66c8c5a567 core: replaced calls to client.xmlstream.send by client.send which is the right method to use. client.xmlstream should not be used directly
Goffi <goffi@goffi.org>
parents: 1934
diff changeset
277 client.send(iq_elt)
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
278
1558
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Goffi <goffi@goffi.org>
parents: 1524
diff changeset
279 def startStream(self, file_obj, to_jid, sid, block_size=None, profile=C.PROF_KEY_NONE):
384
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Goffi <goffi@goffi.org>
parents:
diff changeset
280 """Launch the stream workflow
1524
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diff changeset
281
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
282 @param file_obj(file): file_obj to send
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
283 @param to_jid(jid.JID): JID of the recipient
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
284 @param sid(unicode): Stream session id
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
285 @param block_size(int, None): size of the block (or None for default)
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
286 @param profile: %(doc_profile)s
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
287 """
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
288 session_data = self._createSession(file_obj, to_jid, sid, profile)
538
2c4016921403 core, frontends, bridgen plugins: fixed methods which were unproperly managing multi-profiles
Goffi <goffi@goffi.org>
parents: 536
diff changeset
289 client = self.host.getClient(profile)
1524
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Goffi <goffi@goffi.org>
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diff changeset
290
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
291 if block_size is None:
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
292 block_size = XEP_0047.BLOCK_SIZE
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
293 assert block_size <= 65535
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
294 session_data["block_size"] = block_size
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
295
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Goffi <goffi@goffi.org>
parents: 1558
diff changeset
296 iq_elt = client.IQ()
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
297 iq_elt['to'] = to_jid.full()
1578
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Goffi <goffi@goffi.org>
parents: 1558
diff changeset
298 open_elt = iq_elt.addElement((NS_IBB, 'open'))
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
299 open_elt['block-size'] = str(block_size)
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
300 open_elt['sid'] = sid
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
301 open_elt['stanza'] = 'iq' # TODO: manage <message> stanza ?
1578
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Goffi <goffi@goffi.org>
parents: 1558
diff changeset
302 args = [session_data, client]
7fef6cdf5953 plugin XEP-0047: some cleaning
Goffi <goffi@goffi.org>
parents: 1558
diff changeset
303 d = iq_elt.send()
7fef6cdf5953 plugin XEP-0047: some cleaning
Goffi <goffi@goffi.org>
parents: 1558
diff changeset
304 d.addCallbacks(self._IQDataStreamCb, self._IQDataStreamEb, args, None, args)
1558
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Goffi <goffi@goffi.org>
parents: 1524
diff changeset
305 return session_data[DEFER_KEY]
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
306
1578
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Goffi <goffi@goffi.org>
parents: 1558
diff changeset
307 def _IQDataStreamCb(self, iq_elt, session_data, client):
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
308 """Called during the whole data streaming
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
309
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Goffi <goffi@goffi.org>
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diff changeset
310 @param iq_elt(domish.Element): iq result
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
311 @param session_data(dict): data of this streaming session
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
312 @param client: %(doc_client)s
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
313 """
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
314 session_data["timer"].reset(TIMEOUT)
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 585
diff changeset
315
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
316 buffer_ = session_data["file_obj"].read(session_data["block_size"])
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
317 if buffer_:
1578
7fef6cdf5953 plugin XEP-0047: some cleaning
Goffi <goffi@goffi.org>
parents: 1558
diff changeset
318 next_iq_elt = client.IQ()
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
319 next_iq_elt['to'] = session_data["to"].full()
1578
7fef6cdf5953 plugin XEP-0047: some cleaning
Goffi <goffi@goffi.org>
parents: 1558
diff changeset
320 data_elt = next_iq_elt.addElement((NS_IBB, 'data'))
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
321 seq = session_data['seq'] = (session_data['seq'] + 1) % 65535
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
322 data_elt['seq'] = unicode(seq)
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
323 data_elt['sid'] = session_data['id']
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
324 data_elt.addContent(base64.b64encode(buffer_))
1578
7fef6cdf5953 plugin XEP-0047: some cleaning
Goffi <goffi@goffi.org>
parents: 1558
diff changeset
325 args = [session_data, client]
7fef6cdf5953 plugin XEP-0047: some cleaning
Goffi <goffi@goffi.org>
parents: 1558
diff changeset
326 d = next_iq_elt.send()
7fef6cdf5953 plugin XEP-0047: some cleaning
Goffi <goffi@goffi.org>
parents: 1558
diff changeset
327 d.addCallbacks(self._IQDataStreamCb, self._IQDataStreamEb, args, None, args)
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
328 else:
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
329 self.terminateStream(session_data, client)
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
330
1578
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Goffi <goffi@goffi.org>
parents: 1558
diff changeset
331 def _IQDataStreamEb(self, failure, session_data, client):
7fef6cdf5953 plugin XEP-0047: some cleaning
Goffi <goffi@goffi.org>
parents: 1558
diff changeset
332 if failure.check(error.StanzaError):
1583
d46aae87c03a plugins XEP-0047, XEP-0065, XEP-0096: fixed use of failure.condition insteand of failure.value + removed gettext use for local logs
Goffi <goffi@goffi.org>
parents: 1578
diff changeset
333 log.warning(u"IBB transfer failed: {}".format(failure.value))
1578
7fef6cdf5953 plugin XEP-0047: some cleaning
Goffi <goffi@goffi.org>
parents: 1558
diff changeset
334 else:
1583
d46aae87c03a plugins XEP-0047, XEP-0065, XEP-0096: fixed use of failure.condition insteand of failure.value + removed gettext use for local logs
Goffi <goffi@goffi.org>
parents: 1578
diff changeset
335 log.error(u"IBB transfer failed: {}".format(failure.value))
1578
7fef6cdf5953 plugin XEP-0047: some cleaning
Goffi <goffi@goffi.org>
parents: 1558
diff changeset
336 self.terminateStream(session_data, client, "IQ_ERROR")
7fef6cdf5953 plugin XEP-0047: some cleaning
Goffi <goffi@goffi.org>
parents: 1558
diff changeset
337
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
338 def terminateStream(self, session_data, client, failure_reason=None):
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
339 """Terminate the stream session
1524
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
340
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
341 @param session_data(dict): data of this streaming session
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
342 @param client: %(doc_client)s
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
343 @param failure_reason(unicode, None): reason of the failure, or None if steam was successful
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Goffi <goffi@goffi.org>
parents: 1409
diff changeset
344 """
1578
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Goffi <goffi@goffi.org>
parents: 1558
diff changeset
345 iq_elt = client.IQ()
1524
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
346 iq_elt['to'] = session_data["to"].full()
1578
7fef6cdf5953 plugin XEP-0047: some cleaning
Goffi <goffi@goffi.org>
parents: 1558
diff changeset
347 close_elt = iq_elt.addElement((NS_IBB, 'close'))
1524
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
348 close_elt['sid'] = session_data['id']
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
349 iq_elt.send()
1524
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
350 self._killSession(session_data['id'], client, failure_reason)
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
351
594
e629371a28d3 Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
352
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
353 class XEP_0047_handler(XMPPHandler):
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
354 implements(iwokkel.IDisco)
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 585
diff changeset
355
594
e629371a28d3 Fix pep8 support in src/plugins.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 588
diff changeset
356 def __init__(self, parent):
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
357 self.plugin_parent = parent
587
952322b1d490 Remove trailing whitespaces.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 585
diff changeset
358
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
359 def connectionInitialized(self):
1524
7b0fcefd52d4 plugin XEP-0047, XEP-0096: In-Band Bystream plugin cleaning:
Goffi <goffi@goffi.org>
parents: 1409
diff changeset
360 self.xmlstream.addObserver(IBB_OPEN, self.plugin_parent._onIBBOpen, profile=self.parent.profile)
384
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
361
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
362 def getDiscoInfo(self, requestor, target, nodeIdentifier=''):
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
363 return [disco.DiscoFeature(NS_IBB)]
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
364
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
365 def getDiscoItems(self, requestor, target, nodeIdentifier=''):
785420cd63f7 plugins: In-Band Bytestreams (XEP-0047) implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
366 return []